How to set the M.2 SSD PCIe mode on ASrock Z97 Pro4?

[Shutreload]

Hello,

I'm use Z97 Pro4. And I use with PLEXTOR PX-G128M6e on M.2
But The interface of M.2 PLEXTOR PX-G128M6e SSD is SATA3, That's not what i want. And i've already check that this board is support M.2 SSD PCIe mode (http://www.mydigitaldiscount.com/m.2-ngff-ssd-compatibility-list.html#motherboards)

So how to set the M.2 SSD to make it use PCIe gen2 mode?
I already ask the local distributor on my country but they don't know how.

Could Somebody please explain it to me.

My bios ver. is 2.20 (Asia)
OS : Win 8.1 (64 bit)

Thank you very much

 

[ASRock_Support-2]

Dear Shutreload,
I am ASRock TSD Danny.

About the interface stings display issue, it should be related to the 3rd party tool/benchmark.
If possible, you may test the M.2 SSD on other Intel platform and use the same tool to double-check it.

For this issue, we would suggest you to run benchmark to check the performance of M.2 SSD directly.
We tested Plextor M6e M.2 SSD on Z97 Pro4 by “CrystalDiskMask5.0.2” and the performance of read and write can approach of device specification.
Please refer to Plextor PX-G128M6e performance from link.
Link:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820249045

We suggest you can use CrystalDiskMask to check if the performance of M.2 SSD on your system.
https://osdn.jp/frs/redir.php?m=aarnet&f=%2Fcrystaldiskmark%2F64531%2FCrystalDiskMark5_1_2.zip

Have a great day !
ASRock TSD Danny